* {
  margin: 0;
  padding: 0;
}
html,
body {
  background-color: #f4f4f4;
  font-family: "PingFang SC", miui, system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, Helvetica, sans-serif;
}
.container {
  min-width: 300px;
  height: 500px;
}
a {
  text-decoration: none;
}
.img {
  width: 100%;
  height: 100%;
}
.icon {
  margin: 0 0.1rem;
}
